Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

The "Seinfeld" diner.

Mysterious 500-year-old tapestries depict a unicorn hunt.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

A hip bar decorated with walls of golden skulls.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

Seven golden statues rise into the sky from sculptor Victor Victori's New Jersey front lawn.

This whimsical fountain pays tribute to Toronto's four-legged friends.

This Hindu temple is an architectural marvel designed and built according to ancient Indian principles.

One of the largest underground systems runs under Canada's largest urban center.

This "Palace of Purification" has made many film appearances as a dark and sinister headquarters.

The Incredible Hulk, Yoda, Mulder and Scully, and many many others watch over the mean streets of Toronto.

A collection of more than 12,000 shoes, displayed in a building shaped like a shoebox.

This colorful creation wasn't always a welcome part of Toronto's Moccasin Trail Park.

A collection of human remains, animal body parts, and other macabre curiosities all legally for sale.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

This Toronto garden collects stares and tchotchkes in equal measure.

Willy Wonka would love this weird half-a-home.

A well-preserved network of cavernous tunnels have spent silent centuries removing Toronto's waste.

One of Canada's most incredible rare book collections holds hundreds of thousands of gorgeous tomes that the general public can touch.